Mud-machine



NJETERS. PHOTO-LITHOGRAPHER. WASHINGTON. D, CA.

liar/1K0;

N. PETERS. PHoTo-LHHOGRAPNER, WASHINGTON. D. C4

` section and Figfll a plan of my improve' and in given lengths, a link isv inserted,

N sTATEs PATENT oEETcE.

JOHN HART, OE MIDDLETowN, CONNECTICUT.

MUD-MACHINE.

Specification" of Letters `Patent No.

To all whom 'it may concern.'

Be it known that I, JOHN HART, of Middletown, county of Middlesex, State of Gonnecticut, engineer, have made certain new and useful Improvements in the Working Parts of the Common Mud Dredging andv Raising Machine, for which I seek Letters Patent of the United States, as not having been before applied as I apply and use the same, and that the said improvements and the means of constructing and using the same are fully and substantially set forth and shown in the following description and in the drawings attached to and making a part of this specification, wherein--V The principal figure in Sheet No. 1 is a horizontal plan of the common mud dredging machine;.that in Sheet No. 2 is a verti cal and sectional elevation of the same, both with my improvements attached and the figure No. 3, in Sheet No. `3 is a` vertical ment shown detached.

The other detached figures are consecutively explained vhereafter and the same letters and figures as marks of reference apply to the same parts in all the several figures. i

A `a fiat vessel of considerable size for receiving the boiler, fuel, engine and princpal parts of the working machinery; B, a smaller vessel for the people and stores, strongly connected to the largerone with the vibrating ways; C, for the buckets strongly hung between the two vessels in a gallows frame, which also assists inco-nnect` ing the two vessels.

a is a crank by whichthe power is'to work the whole machinery, fixed on one end of the shaft b, which is strongly mounted in fra-ming c. On the shaft o is the fiy wheel e, and between that and the opposite bearing is the clutch f, sliding on the shaft b, intoor out of the clutch part of the drivingpinion g, which gears into the large tooth wheel h, mounted on that end of the bucket 'shaft z'. On this the chain wheels 7c 7c are fitted, each wheel made with four shifting studs d d CZ d, to lock into the long links of the bucket chain Z. This chain is made so that each flat link has a curve, to fit the wheels k, 7c. The large link that takes the bucket staple has a strong wrought iron `bra-ce e2` (Fig. 2)

made with an open side, turned up to receive a double eyed collar link m, and the 1,011, dated November 2o, 1838.

collar link, when put in, is kept in place `by i small keys n, going through the vertical arms of the open Alink. This mode of making and using an inserted link, affords the means of shortening, or lengthening, or relpairng a bucket chain, or shifting a bucket, Y, Without shifting the whole `chain `out of place, and -the construction of the chain and open link 1s shown, in larger scale, inthe detached Figs. 5 -and (i,y `Sheet 3.and the cha-in wheels 70,75, are also shown in skeleand on that account are not further described. y

The raising and lowering of the bucket ways is effected by the slings and yoke m (Fig. 2), and chain n', which goes over the sheave o, mounted on the double davit p, thence under the chain wheel g toa sheave at the head of the gallows frame andhaving at its inner end a counterweight `all made as usual and not further described or shown. i

The cha-in wheel g, fitted with a. groove and studs to match the chain n', is mounted on a shaft,I fv, fitted inbearings u, u, and

having the tooth wheel fw, on one end, where it gears into the pinion which is fitted to a. shaft y, mounted on bearings e, '2, and carrylng on 1t the raising or lowering wheel E; this is made so, that it serves as a tramV wheel by the spokes, y', and as a drum by the flanched rim m', and through it the ways l are regulatedby the direct-ing workman who stands on the stage fw shown as fitted for. the purpose.

Immediately over the fiy wheel e, (Fig. l) i a frame u', (Fig. 2) is laid to receive the bearing fu', of the shaft t,`on one part forming a winch 76 (Fig. 1) and at the other end lthe flan ed drum s is mounted and over this is placed the belt 7", so that it hangs loosely around and below the fly wheel e, and l is kept from contact with it by the small rollers g', g2, mounted below the drum s', when not required in use. Inv the post formed by the frame which carriesthe drum s', are the two tightening drums p', b2 shown in Fig. l, Sheet 1V and in Fig. 3, Sheet 3, by

Vfull lines and in Fig. t, partly b'ydotted lines all shown in the vertical position as set over the fly wheel e, these are hung in the swing frames 0', and 02. The upper part of each of these frames terminates in arms n2, n3, and at one end of the frame u' is the vertical davit and sheave m2. A rope YZ' goes from the arm No. 2, toward the sheave m2, and returns and fastens to the arms 11,3, and thence leads to the frame over the stage 'w'. Winch la', (Fig. l) receives oneV end of a rope z" the other end of rope being attached to the drum on the wheel E and the tooth wheelw, is fitted with aV pawl h', to retain it in its place as wanted. This part ofthe apparatus is to be used as follows When the bucket ways are to be loweredl the attending laborer lifts the pawl 7L', back and turns the ways wheel E in the direction of the arrow l, by the spokes y'. This lowers the ways, at the same time unwinding the rope z", 0E the winch 7c', the belt r', being slack vdoes not hinder the operation of lowering. When the buckets and ways have to be raised the attendant laborer leaves the wheel E and simply hauls on the rope Z', which pulls the arms n2, and n3 onward and forces the drums p', and p2, inward Vagainst the belt 1f'. This brings the belt below in contact with the rim of the fly wheel e, whose motion given by steam power carries the drum s', and winch 7c', (Fig. 2) down and drives the raising wheel E around in the direction of the Varrow 2, by winding o the rope c", from it to the winch k', raising the ways and buckets more easily and rapidly than can be eected by manual'labor or common gear power as .the chain fn.' is more quickly drawn in. Near the machinery in the smaller vessel B projecting over the end is a frame (Z2, forming a slide carrying the anchor post, e2. This is fitted to slide in a movable metal frame 02 whose fourth side is a gudgeon flap n2, the part of it next the post being an elliptical quadrant whose longest aXis becomes an eccentric point that contracts the distance to the farther side of the frame 02,-and thereby nips the post e2 so firmly, that'it will raiserthe post upon en tering the hook of a pair of tackle blocks int-o the hole 2, in the arm of the iiap h2, and applying power through the fall and a windlass. vThe kform ofl this nipper frame and'quadrant flap is shown in the' detached Figs. 9 and l0. To let the post fall for anchoring it is only needful that the tackle Vbe beveled to settle the frame 02, on the frame d2, and enteringa cross bar in the hole 2, depress the flap h2, and the nip being removed the post will suddenly fall and lodge itself as required. When not in use the post is to be retained up at any convenient height by the pawl k2, Vwhose point enters one of a tier of vertical ratchet teeth cast for the purpose and put in the side of the post next the vessel. Y Y

I do not claim to'have invented any of the parts ofV the machine thus described yexcept as follows Y vf1. The application of the inserted .link and wrought iron brace as described herein by which the bucket chain may be lengthened, 0r

shortened, or a portion taken out for repair,

or a'bucket shifted out, orin, without shift` ing the whole chain and also serves to receive the link of the back chain, such inserted links being used in combination with curved links, made to fit the periphery of the chain wheel, and with curved links of any length sufficient to allow of using only four strong shifting teeth or studs in each bucket chain wheel such chain wheel being cast in one piece, with mortises to receive the studs or teeth. Y

2. The application of the belt 1', from the fly wheel e to thedrum s', and combination of the other connections tothe raising wheel E, as herein substantially described, for raising the bucket ways, lthis combination effecting that object, with a great saving of labor, and it not having, to my knowledge, been so applied before; the form and operation of the frame for raising and lowering'the anchor post, as the same is herein described and set forth. o

In witness whereof I have hereunto set my hand in the city of New York on the seventh day of August one thousand eight hundred and thirty eight andof the Independence of the UnitedV 'States the sixtythird. A

.JOHN I-IART. [1.. s]

Vitnesses:

, C. NAGLE, Y

W. JAY I-IAsKELL. 

